Ken Griffin
Citadel Advisors
Ken Griffin is a prominent investor and the founder of Citadel Advisors, a leading global financial institution known for its quantitative and fundamental investment strategies. Citadel Advisors is recognized for its diverse portfolio, which spans various sectors, including technology and financial services. Recent disclosures reveal a significant focus on major companies like Tesla Inc (TSLA) and NVIDIA Corporation (NVDA), with the latest filing on May 15, 2026, showing a range of position reductions and increases totaling between $23.8B and $6.5B. Notably, the largest disclosed move involved trimming a position in Tesla valued at over $10.7 billion.
Performance
Estimated 1Y return chains four quarterly returns using each quarter's disclosed 13F holdings and available quarter-end prices from Mar 30, 2025, 8:00 PM EDT through Mar 30, 2026, 8:00 PM EDT. Unpriced positions are excluded, price coverage is shown, and a missing 13F period is treated as an empty disclosed portfolio. Adjusted prices are used when available. It is not an official fund return.